Read the License Agreement and press Agree, if you agree with the conditions.

Finder will open with AKVIS Refocus application or AKVIS Refocus PlugIn inside.

To install the Standalone version just drag the AKVIS Refocus application into the folder Applications (or any other place you like).To install the Plugin drag the entire AKVIS Refocus PlugIn folder into the Plug-Ins folder of your graphic editor.For example:if you use Photoshop CS6, copy the plugin into Applications/Adobe Photoshop CS6/Plug-ins.if you use Photoshop CC 2015, copy it into Applications/Adobe Photoshop CC 2015/Plug-ins.if you use Photoshop CC 2015.5, copy it into Library/Application Support/Adobe/Plug-Ins/CC.if you use Photoshop CC 2017, copy it into Applications/Adobe Photoshop CC 2017/Plug-Ins

After installation of the plugin, you will see a new item in the Filter menu of your photo editor. In Photoshop select in menu: Filter -> AKVIS -> Refocus.Run the standalone app by double-clicking on its icon in Finder.